Brief History of Internet. Internet Impact Check weather Buy goods Play music Find the shortest route Give a lecture…

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Presentation transcript:

Brief History of Internet

Internet Impact Check weather Buy goods Play music Find the shortest route Give a lecture…

The Incredible Growth

Brief Internet History Batch Environment s No direct interaction between users and their programs during execution Time Sharing s Users were able to interact with the computer and could share its information processing resources Marked the beginning of computer communications

Brief Internet History (cont.) Time Sharing: Dumb terminals connected to a central computer system

Brief Internet History (cont.) Late 1960s: ARPANET ARPA (Advanced Research Projects Agency) commissioned an experimental computer network 1970s: Distributed Processing: minicomputers; Communication between neighbor processors and applications via networks Growth of ARPANET and Invention of

Brief Internet History (cont.) 1980s: WAN and LAN Prototype Internet TCP/IP:Allows different networks to interconnect

A LAN Example B A C D E

Internet: a network of networks The Internet

Brief Internet History (cont.) 1990s: WWW HTTP and HTML Marc Andreessen: Mosaic (all-in-one solution) Commercial traffic allowed ECommerce

Networking Questions Over what medium? At what speed? How to address computers? Which path? How to handle (detect & recover) errors? What services? How to address documents? What data format?